CN106296881A - The position identification device of remote control key, method and vehicle - Google Patents
The position identification device of remote control key, method and vehicle Download PDFInfo
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- CN106296881A CN106296881A CN201510282452.8A CN201510282452A CN106296881A CN 106296881 A CN106296881 A CN 106296881A CN 201510282452 A CN201510282452 A CN 201510282452A CN 106296881 A CN106296881 A CN 106296881A
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Abstract
The invention discloses the position identification device of a kind of remote control key, method and vehicle, described device includes: first to N car antenna, and wherein, N is the positive integer more than 2；And car body control module, car body control module successively launches first to N detectable signal to N car antenna with predetermined interval for controlling first, and receive the first to N response signal of remote control key feedback successively, and obtain first to first between N car antenna and remote control key to N range information respectively according to the first to N response signal, and the position obtaining remote control key according to first to N range information.The position identification device of the remote control key of the embodiment of the present invention, is greatly improved the intelligent experience of vehicle.
Description
Technical field
The present invention relates to technical field of vehicle, particularly relate to the position identification device of a kind of remote control key, method and vehicle.
Background technology
In recent years, traditional keyless gate inhibition system can not meet the demand of consumers in general.There is keyless entry
(PKE:Passive Keyless Entry) and start (PKS:Passive Keyless Start) function without key
Keyless gate inhibition system has become main flow, and the antenna that the realization of these functions had both needed vehicle body end coordinates, door handle, standby
Electronic lock switch snap fit on case, it is also desirable to manual operation coordinate (press when such as opening the door door handle or rear-box by
Button) could realize, intelligent experience is poor.
Summary of the invention
It is contemplated that one of technical problem solved the most to a certain extent in correlation technique.To this end, the one of the present invention
Purpose is to propose the position identification device of a kind of remote control key, and this device can identify the position of remote control key,
Such that it is able to realize the intelligentized control method to vehicle of the position according to remote control key, reduce unnecessary manual operation, greatly
Improve greatly the intelligent experience of vehicle.
Second object of the present invention is to propose a kind of vehicle.
Third object of the present invention is to propose the location recognition method of a kind of remote control key.
To achieve these goals, the position identification device of the remote-control key of first aspect present invention embodiment, including: first
To N car antenna, wherein, N is the positive integer more than 2；And car body control module, described car body control module is used
Launch with predetermined interval first to N detectable signal in controlling described first successively to N car antenna, and receive car successively
First to N response signal of remote-control key feedback, and obtain described respectively according to described first to N response signal
First to first between N car antenna and described remote control key to N range information, and according to described first to
N range information obtains the position of described remote control key.
The position identification device of remote-control key according to embodiments of the present invention, car body control module controls N number of car antenna and launches
Detectable signal, remote control key receives feedback response signal after detectable signal, and car body control module is then according to response signal
Obtain the range information of remote control key and N number of car antenna, and according to the position of range information acquisition remote control key,
Such that it is able to realize the intelligentized control method to vehicle of the position according to remote control key, reduce unnecessary manual operation, greatly
Improve greatly the intelligent experience of vehicle.
To achieve these goals, the vehicle of second aspect present invention embodiment, distant including first aspect present invention embodiment
The position identification device of control key.
Vehicle according to embodiments of the present invention, owing to being provided with the position identification device of remote control key, it is possible to achieve according to
The position of the remote control key intelligentized control method to vehicle, reduces unnecessary manual operation, is greatly improved the intelligence of vehicle
Energyization is experienced.
To achieve these goals, the location recognition method of the remote-control key of third aspect present invention embodiment, described vehicle bag
Including first to N car antenna, wherein, N is the positive integer more than 2, said method comprising the steps of: control described
First launches first to N detectable signal to N car antenna successively with predetermined interval；Receive remote control key successively anti-
First to N response signal of feedback；Described first to N vehicle-mounted sky is obtained respectively according to described first to N response signal
Between line and described remote control key first is to N range information, and obtains according to described first to N range information
The position of described remote control key.
The location recognition method of remote-control key according to embodiments of the present invention, controls N number of car antenna emission detection signal, car
Remote-control key receives feedback response signal after detectable signal, vehicle-mounted with N number of according to response signal acquisition remote control key
The range information of antenna, and obtain the position of remote control key according to range information, such that it is able to realize according to vehicle remote control
The position of the key intelligentized control method to vehicle, reduces unnecessary manual operation, is greatly improved the intelligent experience of vehicle.
Accompanying drawing explanation
Fig. 1 is the block diagram of the position identification device of remote-control key according to an embodiment of the invention；
Fig. 2 is that the first car antenna A1 according to one specific embodiment of the present invention, the second car antenna A2 and the 3rd are vehicle-mounted
The schematic diagram that antenna A3 modes of emplacement in vehicle and magnetic field cover；
Fig. 3 is the theory diagram of the car body control module according to one specific embodiment of the present invention；
Fig. 4 is the theory diagram of the remote control key according to one specific embodiment of the present invention；
Fig. 5 is the position determining remote control key according to the first to the 3rd circle according to one specific embodiment of the present invention
Schematic diagram；
Fig. 6 is the flow chart of the location recognition method of remote-control key according to an embodiment of the invention；
Fig. 7 is the flow chart of the location recognition method of the remote-control key according to one specific embodiment of the present invention.
Detailed description of the invention
Embodiments of the invention are described below in detail, and the example of described embodiment is shown in the drawings, the most identical
Or similar label represents same or similar element or has the element of same or like function.Retouch below with reference to accompanying drawing
The embodiment stated is exemplary, it is intended to is used for explaining the present invention, and is not considered as limiting the invention.
Fig. 1 is the block diagram of the position identification device of remote-control key according to embodiments of the present invention.As it is shown in figure 1, the present invention
The position identification device of the remote-control key of embodiment, including: the first to N car antenna (A1, A2 ... AN) and vehicle body control
Molding block 10.Wherein, N is the positive integer more than 2.
Car body control module 10 launches for controlling first successively to N car antenna (A1, A2 ... AN) with predetermined interval
One to N detectable signal, and receives the first to N response signal that remote control key is fed back successively, and according to first
First is obtained respectively to first between N car antenna (A1, A2 ... AN) and remote control key to N response signal
To N range information, and the position obtaining remote control key according to first to N range information.
In one embodiment of the invention, the first to N response signal includes the detection letter that remote control key receives
Number magnetic field intensity information, car body control module 10 specifically for: calculate first respectively to N car according to magnetic field intensity information
Between load antenna and remote control key first is to N range information, and determines respectively to N range information according to first
Centered by first to N car antenna first to N is circular, and determines vehicle remote control according to first to N circle
The position of key.
In one embodiment of the invention, car body control module 10, specifically for obtaining what the first to N circle was surrounded
Public territory and the first to N circular intersection point, and using the barycenter in constituted for the line of intersection point region as remote control key
Position.
Specifically, hereafter it is illustrated with N=3.Fig. 2 is the first car antenna A1, the second car antenna A2 and
The schematic diagram that three car antenna A3 modes of emplacement in vehicle and magnetic field cover.Fig. 3 is to be embodied as according to the present invention one
The theory diagram of the car body control module of example, as it is shown on figure 3, car body control module 10 include single-chip microcomputer arithmetic element 11,
Rf transmitter unit 12, antenna matching network 13 and power supply power supply unit 14.Car body control module is to its single-chip microcomputer computing list
The key position request source code that unit 11 provides is modulated, and to generate detectable signal, car body control module drives first to the
Three car antennas spaced emission detection successively signal (the most spaced transmitting the first detectable signal, the second detectable signal,
3rd detectable signal), such as, after the first car antenna A1 has launched the first detectable signal, through 50ms, the second vehicle-mounted sky
Line A2 launches the second detectable signal again.Wherein, the detectable signal that car antenna is launched is low-frequency magnetic field signal.
Further, Fig. 4 is the theory diagram of the remote control key according to one specific embodiment of the present invention, such as Fig. 4 institute
Showing, remote control key includes antenna and matching network 1, rf transmitter unit 2, power supply supply network 3 and low frequency reception list
Unit 4.Rf transmitter unit 2 discontinuity of remote control key intercepts spacing wave, when receiving required frequency band signals,
Demodulated signal also determines whether useful signal, if it is determined that then wake up remote control key up for useful signal, and remote control key
Then send the response signal with A1, A2, A3 magnetic field intensity.It is, remote control key receives the first car antenna
After the first detectable signal that A1 sends, the first response signal that feedback is corresponding, remote control key receives the second car antenna
After the second detectable signal that A2 sends, the second response signal that feedback is corresponding, remote control key receives the 3rd car antenna
After the 3rd detectable signal that A3 sends, the 3rd response signal that feedback is corresponding.Car body control module receives response signal and carries out
Demodulation, and judge whether this remote control key is that (such as, car body control module can be according to response signal for legal key
Frequency range and and remote control key between communication protocol, signcode judge the legitimacy of remote control key).
Further, when remote control key be simultaneously in the magnetic field range of three car antennas (A1, A2, A3) time
Wait, different according to the car antenna of the diverse location magnetic field intensity in same position, it may be determined that each car antenna is to car
The distance of remote-control key.It is to say, when judging that Current vehicle remote-control key is legal key, car body control module 10
The first to the 3rd car antenna and remote control key is calculated respectively according to the magnetic field intensity information in the first to the 3rd response signal
Between the first to the 3rd range information (representing with d1, d2 and d3), and determine respectively according to the first to the 3rd range information
Centered by the first to the 3rd car antenna first to the 3rd is circular, and determines vehicle remote control according to the first to the 3rd circle
The position of key.
Theoretically, with d1, d2, d3 as radius, doing circle with A1, A2, A3 for the center of circle, the intersection point of three circles is
The position of remote control key, but, under practical situation, magnetic field is under the influence of multipath fading and non line of sight, institute computed range d1,
D2, d3 are bigger than actual range, therefore in an embodiment of the present invention, (in Fig. 5, A1, A2, A3 are first as shown in Figure 5
To the position of the 3rd car antenna, C is the position of remote control key), three circles intersect at B1, B2, B3 two-by-two, with three
The centroid estimation remote control key position of dihedral B1B2B3.
It addition, car body control module 10 intermittent driving car antenna emission detection signal, such as, every 500ms drives one
Secondary, car body control module 10 is then according to the vehicle remote control of time order and function sequential storage nearest L time (such as, nearest 10 times)
The position of key.
In one embodiment of the invention, car body control module 10, it is additionally operable to: according to the position judgment of remote control key
Whether remote control key is in vehicle, if in vehicle, then allows vehicle electrifying startup and/or unlocking direction dish axle lock,
And control first to N car antenna stopping emission detection signal.
Specifically, for example, it is possible to the position of the first car antenna A1 as reference position, draw car by experimental calibration method
The critical decision content that remote-control key is in car, remote control key is outside car, and store.Car body control module 10 will
Whether the position of Current vehicle remote-control key and the critical judgment value of storage to this, then may determine that Current vehicle remote-control key
It is positioned at vehicle.If Current vehicle remote-control key is positioned at vehicle, car body control module 10 then allow vehicle electrifying startup,
Unlocking direction dish axle lock etc., and stop emission detection signal.
In one embodiment of the invention, car body control module 10, it is additionally operable to: if it is determined that remote control key is at vehicle
Outward, being then controlled vehicle according to the distance of remote control key with the i-th car antenna, wherein, i is more than or equal to 1
And the positive integer less than or equal to N.
Specifically, if it is determined that remote control key is outside vehicle, then according to remote control key and the i-th car antenna away from
From judging the intention of user (such as, it is judged that user is to walk to intend to open the door or walk plan toward trunk region toward car door to open standby
Case), thus according to the intention of user, vehicle is controlled accordingly.
In one embodiment of the invention, if remote control key and the distance of the i-th car antenna are more than or equal to default
Distance, car body control module 10 then controls closed door and air-conditioning；If remote control key and the distance of the i-th car antenna
Less than predeterminable range, car body control module 10 then obtains the motion track of remote control key, and according to motion track to vehicle
It is controlled.
Specifically, it is reference position with the position of the i-th car antenna (such as, the first car antenna A1), if vehicle is distant
The distance of control key and the first car antenna A1 is more than or equal to predeterminable range (such as, 2m), and car body control module 10 is then controlled
Air-conditioning closedown processed, closing of the door, automatic locking, the vehicle power-off of boot etc., and continue to drive car antenna emission detection
Signal, to monitor the position of remote control key.If remote control key and the distance of the first car antenna A1 are less than default
Distance, car body control module 10 is then according to the position acquisition of the remote control key that (such as, 10 times) record the most several times
The motion track of key, and according to motion track, vehicle is controlled accordingly.
In one embodiment of the invention, car body control module 10, it is additionally operable to: judge vehicle remote control key according to motion track
The moving direction of spoon, if moving direction is car door direction, car body control module 10 then controls opening vehicle door lock, if mobile
Direction is tailstock direction, and car body control module 10 then controls to open back-up case lock.
Specifically, such as, if the moving direction of nearest 10 remote control key positions points to car door, then show that user exists
Go on foot to car door, then car body control module 10 then can be unlocked car door, open the action such as air-conditioning, adjustment seat, as
Really moving direction points to tailstock direction, then control back-up case lock and open.Wherein, by the vehicle remote control key of the embodiment of the present invention
The position identification device of spoon, vehicle can be cancelled the button of door handle and boot, such that it is able to reduce cost.
In one embodiment of the invention, if detecting remote control key in car, then allow vehicle electrifying startup, solution
Lock steering wheel shaft lock etc., and stop emission detection signal, (show that car owner may when having vehicle body power-off or closing of the door work
Have left), then car body control module 10 controls car antenna emission detection signal again to detect remote control key.
If remote control key is not in car, car body control module 10 (such as, 500ms) the most at set intervals controls vehicle-mounted
Antenna is launched one and is taken turns detectable signal, to detect remote control key, and according to detecting remote control key and the i-th vehicle-mounted sky
The distance controlling vehicle of line.
The position identification device of the remote control key of the embodiment of the present invention, car body control module controls N number of car antenna and launches
Detectable signal, remote control key receives feedback response signal after detectable signal, and car body control module is then according to response signal
Obtain the range information of remote control key and N number of car antenna, and according to the position of range information acquisition remote control key,
Such that it is able to realize the intelligentized control method to vehicle of the position according to remote control key, reduce unnecessary manual operation, greatly
Improve greatly the intelligent experience of vehicle.
In order to realize above-described embodiment, the invention allows for a kind of vehicle.This vehicle includes that the vehicle of the embodiment of the present invention is distant
The position identification device of control key.
The vehicle of the embodiment of the present invention, owing to being provided with the position identification device of remote control key, it is possible to achieve according to vehicle
The position of the remote-control key intelligentized control method to vehicle, reduces unnecessary manual operation, is greatly improved the intellectuality of vehicle
Experience.
In order to realize above-described embodiment, the invention allows for the location recognition method of a kind of remote control key.
Fig. 6 is the flow chart of the location recognition method of remote control key according to an embodiment of the invention.Wherein, vehicle
Including first to N car antenna, wherein, N is the positive integer more than 2, as shown in Figure 6, and the car of the embodiment of the present invention
The location recognition method of remote-control key, comprises the following steps:
S1, controls first and launches first successively to N detectable signal to N car antenna with predetermined interval.
Specifically, hereafter as a example by N=3, the car body control module of vehicle drives that the first to the 3rd car antenna is spaced to be depended on
Secondary emission detection signal (the most spaced transmitting the first detectable signal, the second detectable signal, the 3rd detectable signal), such as,
After first car antenna A1 has launched the first detectable signal, through 50ms, the second car antenna A2 launches the second detection letter again
Number.Wherein, the detectable signal that car antenna is launched is low-frequency magnetic field signal.
S2, receives the first to N response signal of remote control key feedback successively.
Specifically, the rf transmitter unit discontinuity of remote control key intercepts spacing wave, when receiving required frequency band signals
Time, demodulated signal also determines whether useful signal, if it is determined that then wake up remote control key up for useful signal, and vehicle remote control
Key then sends the response signal with A1, A2, A3 magnetic field intensity.It is, remote control key to receive first vehicle-mounted
After the first detectable signal that antenna A1 sends, the first response signal that feedback is corresponding, it is vehicle-mounted that remote control key receives second
After the second detectable signal that antenna A2 sends, the second response signal that feedback is corresponding, it is vehicle-mounted that remote control key receives the 3rd
After the 3rd detectable signal that antenna A3 sends, the 3rd response signal that feedback is corresponding.Car body control module receives vehicle the most successively
First to the 3rd response signal of remote-control key feedback.
S3, obtains first to the between N car antenna and remote control key respectively according to the first to N response signal
One to N range information, and the position obtaining remote control key according to first to N range information.
In one embodiment of the invention, wherein, the first to N response signal includes what remote control key received
The magnetic field intensity information of detectable signal, S3 specifically includes:
S31, calculates first to first between N car antenna and remote control key to respectively according to magnetic field intensity information
N range information.
Specifically, when remote control key is simultaneously in the magnetic field range of three car antennas (A1, A2, A3) when,
The car antenna according to the diverse location magnetic field intensity in same position is different, it may be determined that each car antenna is distant to vehicle
The distance of control key.It is to say, when judging that Current vehicle remote-control key is legal key, car body control module root respectively
Calculate between the first to the 3rd car antenna and remote control key according to the magnetic field intensity information in the first to the 3rd response signal
First to the 3rd range information (representing with d1, d2 and d3).
S32, determines the first to N circle centered by first to N car antenna respectively according to first to N range information
Shape.
Specifically, such as, centered by the first car antenna, determine that first is circular with the first distance for radius.
S33, according to the first to N circle position determining remote control key.
In one embodiment of the invention, S33 specifically includes: obtain the first to N circular public territory surrounded with
First to N circular intersection point；Using the barycenter in constituted for the line of intersection point region as the position of remote control key.
Specifically, theoretically, with d1, d2, d3 as radius, circle is done with A1, A2, A3 for the center of circle, three circles
Intersection point is the position of remote control key, but, under practical situation, magnetic field is under the influence of multipath fading and non line of sight, is counted
Calculate distance d1, d2, d3 bigger than actual range, therefore in an embodiment of the present invention, as it is shown in figure 5, three circles intersect two-by-two
In B1, B2, B3, then with the centroid estimation remote control key position of triangle B1B2B3.
It addition, car body control module intermittent driving car antenna emission detection signal, such as, every 500ms drives once,
Car body control module is then according to the position of remote control key of time order and function sequential storage nearest L time (such as, nearest 10 times)
Put.
In one embodiment of the invention, also include: according to the position judgment remote control key of remote control key whether
In vehicle；If remote control key is in vehicle, then allows vehicle electrifying startup and/or unlocking direction dish axle lock, and control
System first stops emission detection signal to N car antenna.
Specifically, for example, it is possible to the position of the first car antenna A1 as reference position, draw car by experimental calibration method
The critical decision content that remote-control key is in car, remote control key is outside car, and store.Car body control module ought
The position of vehicle in front remote-control key and the critical judgment value of storage to this, then may determine that Current vehicle remote-control key whether position
In vehicle.If Current vehicle remote-control key is positioned at vehicle, car body control module then allows vehicle electrifying startup, unblock
Steering wheel shaft lock etc., and stop emission detection signal.
Further, if remote control key is outside vehicle, then according to the distance of remote control key Yu the i-th car antenna
Being controlled vehicle, wherein, i is the positive integer more than or equal to 1 and less than or equal to N.
Specifically, if it is determined that remote control key is outside vehicle, then according to remote control key and the i-th car antenna away from
From judging the intention of user (such as, it is judged that user is to walk to intend to open the door or walk plan toward trunk region toward car door to open standby
Case), thus according to the intention of user, vehicle is controlled accordingly.
In one embodiment of the invention, according to the distance of remote control key with the i-th car antenna, vehicle is controlled,
Specifically include: if the distance of remote control key and the i-th car antenna is more than or equal to predeterminable range, then control to close car
Door and air-conditioning；If remote control key is less than predeterminable range with the distance of the i-th car antenna, then obtain remote control key
Motion track, and according to motion track, vehicle is controlled.
Specifically, it is reference position with the position of the i-th car antenna (such as, the first car antenna A1), if vehicle is distant
The distance of control key and the first car antenna A1 is more than or equal to predeterminable range (such as, 2m), and car body control module then controls
Air-conditioning closedown, closing of the door, automatic locking, the vehicle power-off of boot etc., and continue to drive car antenna emission detection letter
Number, to monitor the position of remote control key.If the distance of remote control key and the first car antenna A1 less than preset away from
From, the position acquisition key of the car body control module then basis remote control key that (such as, 10 times) record the most several times
Motion track, and according to motion track, vehicle is controlled accordingly.
In one embodiment of the invention, according to motion track, vehicle is controlled, specifically includes: according to motion track
Judge the moving direction of remote control key；If moving direction is car door direction, then control opening vehicle door lock；If it is mobile
Direction is tailstock direction, then control to open back-up case lock.
Specifically, such as, if the moving direction of nearest 10 remote control key positions points to car door, then show that user exists
Go on foot to car door, then car body control module then can be unlocked car door, open the action such as air-conditioning, adjustment seat, if
Moving direction points to tailstock direction, then control back-up case lock and open.
Fig. 7 is the flow chart of the location recognition method of the remote control key according to one specific embodiment of the present invention.Such as Fig. 7
Shown in, the location recognition method of remote control key, comprise the following steps:
S101, controls car antenna A1, A2 and A3 with predetermined interval successively emission detection signal.
S102, remote control key receives detectable signal, and feedback response signal.
According to response signal, S103, judges whether remote control key is legal key.If it is, perform S104, if
No, then return and perform S101.
S104, obtains the position of remote control key, and judges that remote control key is whether in car.If it is, perform
S105.If it is not, then perform S106.
S105, it is allowed to vehicle electrifying startup and/or unlocking direction dish axle lock, and control the first to the 3rd car antenna stopping transmitting
Detectable signal.
S106, obtains the distance of remote control key and the i-th car antenna, and judging distance whether more than or equal to preset away from
From.If it is, perform S107, if it is not, then perform S108.
S107, controls closed door, air-conditioning, and boot is automatic locking, vehicle power-off.
S108, obtains the motion track of remote control key, and judges that remote control key is to move to car door according to motion track
Move or move to boot.If moving to car door, then performing S109, if moving to boot, then performing S110.
S109, controls opening vehicle door lock, air-conditioning, automatically adjusts seat.
S110, controls to open back-up case lock.
The location recognition method of the remote control key of the embodiment of the present invention, controls N number of car antenna emission detection signal, car
Remote-control key receives feedback response signal after detectable signal, vehicle-mounted with N number of according to response signal acquisition remote control key
The range information of antenna, and obtain the position of remote control key according to range information, such that it is able to realize according to vehicle remote control
The position of the key intelligentized control method to vehicle, reduces unnecessary manual operation, is greatly improved the intelligent experience of vehicle.
In describing the invention, it is to be understood that term " " center ", " longitudinally ", " laterally ", " length ", " width ",
" thickness ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ",
" outward ", " clockwise ", " counterclockwise ", " axially ", " radially ", " circumferential " etc. instruction orientation or position relationship be based on
Orientation shown in the drawings or position relationship, be for only for ease of the description present invention and simplify description rather than instruction or hint institute
The device that refers to or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this
Bright restriction.
Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance
Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed
Or implicitly include at least one this feature.In describing the invention, " multiple " are meant that at least two, such as two
Individual, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " fixing "
Should be interpreted broadly Deng term, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can be
It is mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, can be two
The connection of individual element internal or the interaction relationship of two elements, unless otherwise clear and definite restriction.Common for this area
For technical staff, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can
Being that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, the
One feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or
Oblique upper, or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ",
" lower section " and " below " can be fisrt feature immediately below second feature or obliquely downward, or it is special to be merely representative of first
Levy level height less than second feature.
In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show
Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or
Feature is contained at least one embodiment or the example of the present invention.In this manual, the schematic representation to above-mentioned term
Necessarily it is directed to identical embodiment or example.And, the specific features of description, structure, material or feature are permissible
One or more embodiment in office or example combine in an appropriate manner.Additionally, in the case of the most conflicting, ability
The feature of the different embodiments described in this specification or example and different embodiment or example can be entered by the technical staff in territory
Row combines and combination.
Although above it has been shown and described that embodiments of the invention, it is to be understood that above-described embodiment is exemplary,
Being not considered as limiting the invention, those of ordinary skill in the art within the scope of the invention can be to above-described embodiment
It is changed, revises, replaces and modification.
Claims (15)
1. the position identification device of a remote control key, it is characterised in that including:
First to N car antenna, and wherein, N is the positive integer more than 2；And
Car body control module, described car body control module is used for controlling described first to N car antenna with predetermined interval successively
Transmitting first is to N detectable signal, and receives the first to N response signal that remote control key is fed back, Yi Jigen successively
Described first is obtained respectively between N car antenna and described remote control key according to described first to N response signal
First to N range information, and the position obtaining described remote control key according to described first to N range information.
2. the position identification device of remote control key as claimed in claim 1, it is characterised in that described first to N
Response signal includes the magnetic field intensity information of the described detectable signal that described remote control key receives, described Body Control
Module, specifically for:
Described first is calculated respectively between N car antenna and described remote control key according to described magnetic field intensity information
Described first to N range information, and determines respectively with described first to N car to N range information according to described first
Carry the first to N circle centered by antenna, and determine described remote control key according to described first to N circle
Position.
3. the position identification device of remote control key as claimed in claim 2, it is characterised in that described Body Control mould
Block, specifically for obtaining the described first to N circular public territory surrounded and the described first to N circular intersection point,
And using the barycenter in the constituted region of line of described intersection point as the position of described remote control key.
4. the position identification device of remote control key as claimed in claim 1, it is characterised in that described Body Control mould
Block, is additionally operable to:
Described in position judgment according to described remote control key, whether remote control key is in vehicle, if at described vehicle
In, then allow described vehicle electrifying startup and/or unlocking direction dish axle lock, and control described first to the stopping of N car antenna
Launch described detectable signal.
5. the position identification device of remote control key as claimed in claim 4, it is characterised in that described Body Control mould
Block, is additionally operable to:
If it is determined that described remote control key is outside described vehicle, then i-th vehicle-mounted with described according to described remote control key
Described vehicle is controlled by the distance of antenna, and wherein, i is the positive integer more than or equal to 1 and less than or equal to N.
6. the position identification device of remote control key as claimed in claim 5, it is characterised in that
If described remote control key is more than or equal to predeterminable range, described vehicle body control with the distance of described i-th car antenna
Molding block then controls closed door and air-conditioning；
If described remote control key is less than predeterminable range, described car body control module with the distance of described i-th car antenna
Then obtain the motion track of described remote control key, and according to described motion track, described vehicle is controlled.
7. the position identification device of remote control key as claimed in claim 6, it is characterised in that described Body Control mould
Block, is additionally operable to: judge the moving direction of described remote control key according to described motion track, if described moving direction is
Car door direction, described car body control module then controls opening vehicle door lock, if described moving direction is tailstock direction, described car
Body control module then controls to open back-up case lock.
8. a vehicle, it is characterised in that include the position of remote control key as according to any one of claim 1-7
Identify device.
9. the location recognition method of a remote control key, it is characterised in that described vehicle includes the first to N vehicle-mounted sky
Line, wherein, N is the positive integer more than 2, said method comprising the steps of:
Control described first and launch first successively to N detectable signal to N car antenna with predetermined interval；
Receive the first to N response signal of remote control key feedback successively；
Described first is obtained respectively to N car antenna and described remote control key according to described first to N response signal
Between first to N range information, and the position obtaining described remote control key according to described first to N range information
Put.
10. the location recognition method of remote control key as claimed in claim 9, it is characterised in that wherein, described the
One to N response signal includes the magnetic field intensity information of the described detectable signal that described remote control key receives, described
Described first is obtained respectively between N car antenna and described remote control key according to described first to N response signal
First to N range information, and the position obtaining described remote control key according to described first to N range information,
Specifically include:
Described first is calculated respectively between N car antenna and described remote control key according to described magnetic field intensity information
Described first to N range information；
First to centered by described first to N car antenna is determined respectively according to described first to N range information
N is circular；And
According to the described first to N circle position determining described remote control key.
The location recognition method of 11. remote control key as claimed in claim 10, it is characterised in that described in described basis
First determines the position of described remote control key to N circle, specifically includes:
Obtain the described first to N circular public territory surrounded and the described first to N circular intersection point；
Using the barycenter in the constituted region of line of described intersection point as the position of described remote control key.
The location recognition method of 12. remote control key as claimed in claim 9, it is characterised in that also include:
Described in position judgment according to described remote control key, whether remote control key is in vehicle；
If described remote control key is in described vehicle, then allow described vehicle electrifying startup and/or unlocking direction dish axle
Lock, and control described first to the N car antenna stopping described detectable signal of transmitting.
The location recognition method of 13. remote control key as claimed in claim 12, it is characterised in that also include:
If described remote control key is outside described vehicle, then according to described remote control key and described i-th car antenna
Distance described vehicle is controlled, wherein, i is more than or equal to 1 and less than or equal to the positive integer of N.
The location recognition method of 14. remote control key as claimed in claim 13, it is characterised in that described in described basis
Described vehicle is controlled by remote control key with the distance of described i-th car antenna, specifically includes:
If described remote control key is more than or equal to predeterminable range with the distance of described i-th car antenna, then control to close
Car door and air-conditioning；
If described remote control key is less than predeterminable range with the distance of described i-th car antenna, then obtain described vehicle distant
The motion track of control key, and according to described motion track, described vehicle is controlled.
The location recognition method of 15. remote control key as claimed in claim 14, it is characterised in that described in described basis
Described vehicle is controlled by motion track, specifically includes:
The moving direction of described remote control key is judged according to described motion track；
If described moving direction is car door direction, then control opening vehicle door lock；
If described moving direction is tailstock direction, then control to open back-up case lock.
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| CN201510282452.8A CN106296881B (en) | 2015-05-28 | 2015-05-28 | Position identification device, method and the vehicle of remote control key |
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| CN201510282452.8A CN106296881B (en) | 2015-05-28 | 2015-05-28 | Position identification device, method and the vehicle of remote control key |
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| CN106296881B CN106296881B (en) | 2019-04-19 |
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